Explain why it is important to use only a small amount of bacteria when preparing a smear

Q: Describe several moist heat methods and their chief applications for sterilization and disinfection.

A: Disinfection is reducing or eliminating the number of microorganisms from the surface of the…

Q: Agar is a solidifying agent used in media preparation. What makes it ideal for cultivation of…

A: Agar is a natural polysaccharide. It is mostly used in the lab and acts as a solidified agent. It…

Q: Why do you have to boil the agar solution before dispensing it into tubes?

A: Agar is the medium which can used to grow the micro organisms in petri plates. The selected…

Q: Need help  Can a pure culture be prepared from a mixed culture in a broth or plate? Explain.

A: INTRODUCTION How to make a pure culture from mixed culture is explained below.

Q: Define sterilization.

A: Microbial control indicates the prevention or inhibition of microbial growth. It involves physical…

Q: What are the approaches for sterilization during the production of sterile products? Please answer…

A: destruction or complete removal of all living organisms and their spores is called as sterilization.…

Q: Physical methods of sterilization include :

A: disclaimer: since you have posted multiple questions we have answered the first question for you. if…

Q: Agar is a solidifying agent used in media preparation. What is its origin?

A: Agar gel is a polysaccharide which can become liquefied at temperatures ranges from 85°C to 90°C and…

Q: Explain the difference between sterilization, disinfection, antisepsis, pasteurization? Give…

A: Microorganisms are present everywhere. They are not visible with naked eyes but are present at…

Q: When bacteria from a throat swab are streaked on blood agar, why is the agar stabbed several times…

A: The initial identification of the streptococcal and enterococcal species is based on their hemolytic…

Q: Why is it important to become familiar with the microbiology laboratory's apparatus and equipment?

A: You should always know your lab equipment well before you do any type of experiment because without…

Q: Match the description to the correct medium This medium is enrichment for fastidious [Choose ]…

A: A culture media or a growth media is a liquid, solid or semi-solid medium, which is designed to…

Q: Can you please discuss the principles of using Motility Test Medium for the detection of bacterial…

A: Bacterial motility is usually demonstrated in a semi-solid agar medium. Motile bacteria ‘swarm' in…

Q: What temperature is considered adequate for achieving sterilization of a compost pile?

A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…

Q: Transparent double-sided dishes used for growing microbes are most commonly called A) Petri dishes.…

A: The micro organisms are grown in specific containments for identification of the characteristic…

Q: Write a note on different culturing, metabolic and physiological techniques used in the Microbiology…

A: Microbiolgy delays with the culturing of microbes in the media and than used for making copies and…

Q: Explain the significance of aseptic culture technique in growing microorganism

A:

Q: Using the Table above as a guide,   indicating what media could be used to differentiate the…

A: Introduction :  The bacterium Staphylococcus epidermidis is gram-positive. It is a natural component…

Q: How is air contamination prevented when an inoculating loop is used to introduce or take a bacterial…

A: Biotechnology is a branch of biology, including the use of living organisms to produce products.…

Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…

A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…

Q: What is the name of this media? What type of media is it? What does the yellow color indicate? What…

A: Selective media generally selects for the growth of a desired organism, stopping the growth of or…

Q: Bacterial cells can form colonies on the following media EXCEPT: Select one: Nutrient broth Agar…

A: The nutrient broth is the liquid nutrient media that lacks the solidifying agent. It is used for…

Q: Define the term “colony” as it relates to bacterial growth on solid media.

A: The pure culture techniques are carried out in the microbial laboratories, where the microbes of…

Q: Using aseptic techniques, list the general procedure of inoculating a broth from a plate culture.

A: Aspetic techniques that you should follow during inoculating a broth from a plate culture are:…

Q: Write short notes on dry heat as a physical antimicrobial control method.

A: Drying can be used to control the growth of microorganisms because when water is removed from cells,…

Q: When testing antimicrobial compounds on lawns of plated bacteria, the strongest germicide could…

A: Bacteria are prokaryotic unicellular organisms that are omnipresent in the environment. There are…

Q: Considering microbial identification methods, to which category would the following method belong…

A: Bacteria are identified routinely by morphological and biochemical tests, supplemented as needed by…

Q: List one method of disinfection, and one method of sterilization. Label which is which.

A: Disinfection is a process by which most of the harmful microbes are killed or inactivated. However…

Q: Can culture media be sterilized in the hot air oven? why or why not?

A: Sterilization is the process of deactivating, killing, or removing any kind of microorganism (or…

Q: Use of streak plate technique to isolate and purify psychrotrophic spoilage-causing bacteria

A: There are billions of bacteria in the human body that make up the natural flora to resist the…

Q: 1-The method of sterilizations we used in the tissue culture lab a. Fumigation b. Filtration C.…

A: The removal of any microorganism or viable spores or bacteria or viruses from the surface. The…

Q: What is the main difference between plates before and after centrifugation? What may be the purpose…

A: Answer: CENTRIFUGATION = It is the process involving mechanical force that is centrifugal force,…

Q: Explain why culture based biochemical and genetic testing would not be the ideal method to identify…

A: Microbial culture or microbiological culture is a technique in microbiology in which microorganisms…

Q: Gram negative bacteria do not retain the stain when washed with alcohol.Comment.

A: Gram staining is a most important technique in the microbiology to differentiate the group of…

Q: In a tabulated form, differentiate the physical and chemical methods of sterilization.

A: The microbiological technique that is performed for the removal, killing, or deactivation of…

Q: discuss why a mixed culture cannot be used to inoculate a differential media such as the tripple…

A: A mixed culture is one that contains more than one type of organism growing in a sterile medium. The…

Q: “Salt agar” is a type of ______ medium for culturing some microbes and not others

A: Salt agar encourages the growth of certain bacteria while inhibits others growth in the same medium.…

Q: explain methods for cleaning beans using flat bed screen and drum spray cleaner

A: Much of the mechanical cleaning procedures must be performed in the field for proper storage of the…

Q: DESCRIBE THE BACTERIA OBSERVED. DO NOT DEFINE THE STAINING TECHNIQUES. PLEASE REFER TO THE PHOTO.

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

Q: List 5 other methods of sterilization and describe the principle/s and when each method is used.

A: (Please note that, you provided more than one question, I can only answer one question at a time,…

Q: Explain why desiccation and cold are not reliable methods of disinfectionbut how they can still be…

A: Sterilization is a technique that removes, kills, or deactivates all forms of life and other…

Q: What method can be used to achieve sterilization?

A: It is required to describe the method to be used to achieve sterilization.

Q: explain why you would expect to see similarities in the types of colonies on the fomite plates and…

A: Organisms that are too small to be seen by the naked eye are microorganisms. These organisms can be…

Q: If you suspect that your microbial culture growing in nutrient broth is contaminated, what can you…

A: The contamination refers to the growth of one or more undesired cultures in your pure sample. It can…

Q: What is the difference between a disinfectant and an antiseptic?

A: As per our company's guidelines we are supposed to answer single question at a time, please repost…

Q: Explain what features of endospores make them so resistant to microbial control, and how sterilizing…

A: Controlling microbial growth entails inhibiting or preventing the growth of microorganisms. This…

Q: After the mordant has been added, Gram-positive organisms are stained __________ and Gram-negative…

A: Gram staining is a staining technique used to differentiate two large groups of bacteria based on…

Q: Why did you perform the catalase test on colonies growing on nutrient agar plates but not on the…

A: Catalase test is used to identify the presence of catalase enzyme in the bacteria. Catalase is an…